Alert archive / New Jersey / Special Weather Statements in 2021
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Jul 27, 2021, 10:44 PM EDT for Warren County, New Jersey. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 27, 2021, 10:44 PM EDT (02:44 UTC)
- Expired
- Jul 27, 2021, 11:15 PM EDT
- In force
- 31 min
- Issued by
- NWS Philadelphia/Mount Holly
County Warren County, NJ
The radar
The Philadelphia radar (KDIX), 131 km from the middle of the area, began a volume at 02:47 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 2.7 hours before the alert went out and 178 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 190 J/kg
- Mixed-layer CIN
- -134 J/kg
- Mixed-layer LCL
- 1682 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 173 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.9
The text
As transmitted.
321
WWUS81 KPHI 280244
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
1044 PM EDT Tue Jul 27 2021
NJZ001-007-008-PAZ055-280315-
Morris-Sussex-Warren-Monroe-
1044 PM EDT Tue Jul 27 2021
...A STRONG THUNDERSTORM WILL AFFECT WEST CENTRAL MORRIS...
SOUTHWESTERN SUSSEX...NORTHERN WARREN AND EAST CENTRAL MONROE
COUNTIES...
At 1043 PM EDT, a strong thunderstorm was located over Echo Lake, or
14 miles west of Newton, moving southeast at 35 mph.
Wind gusts up to 40 mph are possible with this storm.
Locations impacted include...
Newton, Hopatcong, Hackettstown, Blairstown, Stanhope, Netcong, Hope,
Andover, Flatbrookville, Great Meadows-Vienna, Allamuchy-Panther
Valley, Lake Mohawk, Werry Lake, Greendell, Millbrook, Five Points,
Echo Lake, Delaware Water Gap, Budd Lake and Beatyestown.
This includes the following highways...
Interstate 80 in Pennsylvania near mile marker 314.
Interstate 80 in New Jersey between mile markers 8 and 25.
Persons in campgrounds should consider seeking sturdy shelter until
this storm passes.
LAT...LON 4109 7504 4108 7503 4109 7500 4112 7495
4103 7461 4081 7479 4099 7516 4113 7507
TIME...MOT...LOC 0243Z 296DEG 33KT 4104 7503
$$
MPSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 11:13 PM EDT | Special Weather Statement | PHI | Warren | 47 min |
| Jul 28, 3:53 PM EDT | Special Weather Statement | PHI | Cape May | 22 min |
| Jul 27, 8:06 PM EDT | Special Weather Statement | PHI | Monroe | 24 min |
| Jul 27, 10:22 PM EDT | Special Weather Statement | PHI | Monroe | 23 min |
| Jul 27, 10:42 PM EDT | Special Weather Statement | PHI | Carbon | 33 min |
| Jul 28, 4:20 PM EDT | Special Weather Statement | PHI | Sussex | 40 min |
| Jul 28, 6:25 PM EDT | Special Weather Statement | PHI | Kent | 35 min |
Nearby
Special Weather Statements in New Jersey, 2021Every special weather statement in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.